Engine Controls - Theory & Operation

• Introduction
• Computerized Engine Controls
  • Notes
  • Control Unit
  • Input Devices (CARBURETED)
    • A/C Clutch
    • Barometric Pressure Switch (BPS)
    • Blower Control Switch
    • Brake On-Off Switch
    • Clutch Engage Switch
    • Coolant Temperature Sensor (ECT)
    • EGR Valve Position Sensor (EVP)
    • Engine Cooling Fan
    • Exhaust Gas Oxygen Sensor (EGO)
    • Headlight Switch
    • Idle Switch
    • Ignition Diagnostic Monitor
    • Ignition Switch Start Position
    • Neutral Gear Switch
    • Power Relay
    • Radiator Temperature Switch
    • Top Gear Switch
    • W.O.T. Vacuum Switch (WVS)
  • Input Devices (Fuel Injection)
    • A/C Switch
    • Blower Control Switch
    • Cranking Signal (Tracer)
    • Engine Coolant Temperature Sensor
    • Engine Cooling Fan
    • Exhaust Gas Oxygen Sensor
    • Headlight Switch
    • Idle Swith
    • Ignition Diagnostic Monitor
    • Ignition Switch Start Postion
    • Map Sensor (MAP)
    • Neutral Safety Switch
    • Power Relay
    • Power Steering Switch (Tracer)
    • Radiator Temperature Switch
    • Rear Defroster Switch
    • Throttle Position Sensor
    • Vane Air Flow Meter (VAF)
    • Vane Air Temperature Sensor (VAT)
    • Vehicle Deceleration Sensor (Tracer)
    • Wide Open Throttle Switch
  • Output Devices (CARBURETED)
    • EGR Control Solenoid
    • EGR Solenoid No. 2
    • Early Fuel Evaporation Heater (EFE)
    • Feedback Carburetor Actuator (FBCA)
    • Load Control Solenoids
  • Output Devices (Fuel Injection)
    • Canister Purge Solenoid (CANP)
    • Fuel Injectors
    • Idle Speed Control By-Pass Air
• Fuel System
  • Fuel Control
    • Feedback Control Carburetor (FBC)
    • Electronic Fuel Injection (EFI)
    • By-Pass Airflow
• Fuel Delivery
  • Electric Fuel Pump (Fuel Injection)
    • Notes
    • Fuel Pressure Regulator
    • Control Circuit
    • Fuel Pump Shut-Off (Inertia) Switch
  • Mechanical Fuel Pump (CARBURETED)
• Ignition Timing Control
  • Ignition Module
    • Notes
    • High Altitude Spark Advance Correction
• Emission Systems
  • EGR (CARBURETED)
  • Pulse Air (CARBURETED)
  • Deceleration System (CARBURETED)
  • High Altitude Compensation (HAC)
  • Evaporative System
    • Canister Pressure Regulator Valve
    • Canister Purge Regulator
    • Canister Purge Solenoid
    • Canister Purge Valve
    • Carburetor Fuel Bowl Solenoid Vent Valve
• Self-Diagnostic System
  • Notes
  • Engine Controls - Theory & Operation
    • "Hard Failures"
    • "Intermittent Failures"
  • Check Engine Light